Cambodia is situated on the southwestern part of the Indochina peninsula. It shares a 2,615 km boarder with Vietnam (1,270 km), Thailand (805 km), and Laos (540 km). Its total area is 181,035 square kilometers, which is about half the area of Japan.
Cambodia has a tropical monsoon climate with two seasons: a wet season from May to October and a dry season from November to May. The annual average temperature is about 27.7 degrees centigrade, and the average temperature exceeds 30 degrees centigrade in the hottest months, April and May.